- Jul 1998 to present, Committee Member, International Symposium on Integrated Circuits, Devices and Systems, Singapore.
- 1999, Technical Chairman, International Symposium on Integrated Circuits, Devices and Systems (ISIC-99), Singapore.
- Dec 1999 to present, Committee Member and principal reviewer for the topic on Integrated Circuits, International Symposium on VLSI Technology, Systems and Applications, Taiwan.
- 2001, Technical Chairman, International Symposium on Integrated Circuits, Devices and Systems (ISIC-01), Singapore.
- Jan 2002 to 2012, Technical Programme Committee Member, International Symposium on Low-Power and High-Speed Chips (COOL Chips), Japan.
- 9-12 Dec 2002, Program Committee Member, 2002 World Scientific and Engineering Academy and Society (WSEAS) International Conference on Electronics, Control and Signal Processing (ECS) and WSEAS International Conference on E-activities, Singapore.
- 5 Mar 2003, Session Chairman of IC Design and Business Focus Seminar, NTU, Singapore.
- Mar 2004 to present, Program Committee Member, 18th International Conference on VLSI Design, India.
- Mar 2004 to present, Program Committee Member, 4th International Conference on Embedded Systems, India.
- 21-23 Apr 2004 to present, Program Committee Member, WSEAS Multiconference in Miami, Florida, USA.
- Apr 2004 to present, Program Committee Member, 2004 World Scientific and Engineering Academy and Society (WSEAS).
- 14-16 April 2004, Session Chairman of International Symposium on Low-Power and High-Speed Chips (COOL Chips VII) at Yokohama, Japan.
- 20-22 April 2005, Session Chairman of International Symposium on Low-Power and High-Speed Chips (COOL Chips VIII) at Yokohama, Japan.
- August 2005, RFIC Session Judge of Symposium on Microelectronics at Institute of Microelectronics, Singapore.
- October 2005 to present, Technical Program Committee Member, 1st IEEE International Workshop on Radio-Frequency Integration Technology (RFIT2005) at IME, Singapore.
- 2 December 2005, Session Chairman (Advanced RF Device Technology, Characterization and Modeling), 1st IEEE International Workshop on Radio-Frequency Integration Technology (RFIT2005) at IME, Singapore.
- 2006, member of the Technical Program Committee (TPC) for the 2006 IEEE Asia Pacific Conference on Circuits and Systems (IEEE APCCAS06).
- 2006-07, General Co-Chair, International Symposium on Integrated Circuits (ISIC-07), Singapore.
- 18-20 April 2007, Session Chairman of International Symposium on Low-Power and High-Speed Chips (COOL Chips X) at Yokohama, Japan.
- 4 September 2008, Session Chairman, NTU-TUM Joint Workshop at Auditorium, Nanyang Executive Centre, NTU.
- 11 Sep 2008, Semicon Summit 2008, Raffles Town Club, Singapore. Member of the Organizing Committee.
- 24 Sep 2009, Semicon Summit 2009, The Legends, Singapore. Member of the Organizing Committee.
- 23 Nov 2009, Special Session Organizer, 2009 International SoC Design Conference, BEXCO Convention Center, Busan, Korea, November 22-24, 2009.
- 23 Nov 2009, Special Session Chair, 2009 International SoC Design Conference, BEXCO Convention Center, Busan, Korea, November 22-24, 2009.
- Dec 2008 – Dec 2009, General Chair, International Symposium on Integrated Circuits (ISIC ‘09), Singapore.
- 14-16 April 2010, Session Chairman of International Symposium on Low-Power and High-Speed Chips (COOL Chips XIII) at Yokohama, Japan.
- 28-29 Oct 2010, Member of Steering Committee, International Conference on High-Speed Circuits Design (HSCD’10), Taichung, Taiwan.
- Jan 2011 – Jun 2012, General Assembly Advisory Committee Chair, International Symposium on Computer, Consumer and Control (IS3C), Taiwan.
- Jan 2011 – Dec 2012, Co-Chair, Technical Programme Committee, IEEE Asia Pacific Conference on Circuits and Systems (APCCAS 2012), Taiwan.
- Jan 2011 – Dec 2012, Chair, Special/Invited Session, IEEE Radio-Frequency Integration Technology (RFIT).
- 2012, Programme Committee Member, 4th International Conference on Communications, Mobility, and Computing (CMC 2012), Guilin, China.
- 17 – 21 Sep 2012, Technical Programme Committee Member, 38th European Solid-State Circuits Conference (ESSCIRC) in Bordeaux, France.
- 9 Mar 2012, General Co-Chair, 2012 International SoC Design Conference, Ramada Plaza Hotel, Jeju, Korea, November 4-6, 2012.
- Programme Committee Member for 2013 COOL Chips XVI.
- 9-11 Dec 2013, International Advisory Committee (IAC) Member, IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications (IMWS-Bio 2013), Singapore.
- 28-31 Oct 2013, Member of the Technical Program Committee (TPC), The IEEE 10th International Conference on ASIC (ASICON 2013), Shenzhen, China.
- 4-6 May 2015, Session Chair, The 4th International Symposium on Next-Generation Electronics (IEEE ISNE 2015), Taipei, Taiwan.
- 16-18 Dec 2016, General Chair, 2016 International Conference on Computer Networks and Communication Technology, Jimbaran Hotel, Xiamen, China.
- 5-7 Jan 2017, International Advisory Committee Member, 3rd International Conference on Current Trends in Engineering, Science and Technology (ICCTEST 2017), Bengaluru, India and Bangkok, Thailand.
- 10-13 Dec 2019, International Advisory Committee Co-Chair, 2019 Asia-Pacific Microwave Conference (APMC 2019), Singapore.
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